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Security report for assisto.online

zone35 GmbH & Co. KG · Technology · Germany

Medium risk. 6 critical or high findings in Security headers, GDPR outside view and 2 other checks.

Security score

61/100

Risk levelMedium

0–100, higher is better. How it is calculated

The website www.assisto.online represents assisto, a German SaaS provider specializing in GDPR-compliant online counseling software. The company, operated by zone35 GmbH & Co. KG, targets counseling organizations, universities, self-help groups, and corporate health management sectors. Their platform offers modular digital communication channels including mail, chat, video, and app-based counseling, with strong emphasis on data protection and accessibility. Hosting is done in German data centers certified under ISO 27001 and BSI C5 standards, ensuring high security and compliance. The website is professionally designed, mobile-optimized, and accessible, with clear navigation and comprehensive content. Contact details and client testimonials enhance credibility.

Scanned

NIS2 and GDPR posture

GDPR outside view
80/ 100 · Low
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

6 findings rated critical or high. Fix these first.

  1. Security headers

    Security headers are instructions your web server sends to every visitor’s browser. Missing ones leave visitors more exposed to attacks such as clickjacking and injected scripts.

    • High

      Missing Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • High

      Missing X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • High

      Missing Content-Security-Policy header

      Controls resources the browser is allowed to load

      What to do: Implement a Content-Security-Policy appropriate for your application

      • ASVS V3.4.3
      • OWASP Secure Headers: OWASP Secure Headers Project recommends Content-Security-Policy: default-src 'self'; form-action 'self'; base-uri 'self'; object-src 'none';…

  2. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

  3. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • High

      Weak Protocols Supported

      Server supports weak protocols: TLSv1.1

      What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions

      • CWE-327
      • OWASP A04:2025
      • ASVS V12.1.1

Need hands-on remediation? Email guard@offseq.com

Keep watching assisto.online

This scan found 21 issues across 6 checks. Monitoring re-runs those checks daily, emails you when something material changes and records each fix, so you can show progress.

Daily monitoring

Recommended

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  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

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Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
67
Security headers
30
Email security
85
DNS health
85
Network security
20
GDPR outside view
80
Average
61

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention assisto.online, from OffSeq Breach.

Total records
21
Employees
0
Customers
21
Third parties
0
Weak passwords
5%

10 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for assisto.online.

Select it in the checkout above.

Breach keeps ingesting new leaks, so these numbers can grow between scans.

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Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

assisto occupies a niche market focused on secure, GDPR-compliant online counseling solutions. Their business model is SaaS with modular offerings adaptable to various organizational sizes. The company leverages certifications and German data hosting as competitive advantages. Partnerships and client logos from reputable social and educational institutions reinforce market trust. The company appears small but specialized, with a clear target audience in the social and educational sectors. Revenue streams likely include subscription fees for software modules. The partnership with zone35 GmbH & Co. KG provides technical and operational support.

Security posture

The website demonstrates a mature security posture with HTTPS enforced, certified hosting environments, and a cookie consent mechanism aligned with GDPR. No security.txt or explicit incident response contacts were found, which could be improved. No vulnerable scripts or exposed sensitive data were detected. The absence of security headers is a minor gap. Overall, the site aligns well with data protection regulations and best practices for SaaS platforms handling sensitive client data.

Recommendations

  1. Implement and publish a security.txt file to facilitate vulnerability reporting.
  2. Add explicit incident response contact information (e.g., security@ or abuse@ email).
  3. Enhance HTTP security headers such as Content-Security-Policy and X-Frame-Options.
  4. Consider integrating privacy-friendly analytics to monitor usage without compromising user privacy.
  5. Maintain and regularly update certifications and compliance documentation to reinforce trust.

Contact details published on the site

Addresses
Legal name
zone35 GmbH & Co. KG
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
zone35 GmbH & Co. KG
Description
assisto ist eine Software-as-a-Service-Lösung für Onlineberatung, die den gesamten Beratungsprozess digitalisiert. Die Software ist DSGVO-konform und wird in zertifizierter Cloud (C5, ISO 27001) in Deutschland betrieben.
Key services
Digitale Kommunikationskanäle (Mail, Chat, Video, App), Terminmanagement, Klient:innenmanagement, Dokumentation und statistische Auswertung, Barrierefreiheit, Modular erweiterbare Software
Content quality
excellent
Branding
consistent

Technology

Stack
TYPO3 CMS, Bootstrap (implied by navbar classes), jQuery, Slick Slider
Frameworks
TYPO3 CMS
Performance
moderate
Mobile
good
Accessibility
excellent
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent with opt-in and revocation
  • Data hosted in ISO 27001 and BSI C5 certified German data centers
  • DSGVO compliance emphasized
  • Encrypted communication
  • No exposed sensitive data in HTML

Analytics and tracking

Tracking level
minimal
Privacy practices
excellent

Advertising

Transparency
basic

Site quality

Design
excellent
User experience
excellent
Content relevance
excellent
Navigation
excellent
Professionalism
excellent
Trustworthiness
high

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Content is in German and targets German-speaking clients.
  3. Strong emphasis on GDPR compliance and data security certifications.
  4. Multiple client logos and testimonials enhance trust.
  5. Contact information is clearly provided including phone, email, physical address, and contact form.
  6. Cookie consent mechanism is implemented with opt-in and revocation options.
  7. No visible security.txt or explicit incident response contacts.
  8. No analytics or tracking scripts detected, indicating privacy-conscious design.
  9. Website uses modern CMS TYPO3 and common frontend libraries.
  10. Mobile and accessibility standards are well addressed.
Technical notes

Notes

The website is built on TYPO3 CMS, using modern frontend libraries like jQuery and Slick Slider. It is mobile-optimized and accessible, adhering to BITV 2.0 and WCAG 2.2 AA standards. Hosting is in certified German data centers, ensuring compliance and security. Performance is moderate with room for optimization. The site uses a cookie consent plugin with opt-in and revocation capabilities, reflecting privacy-conscious design. No major technical debts or vulnerabilities were detected in the HTML content. SEO is supported by proper meta tags and Open Graph data.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

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